Water and weather – Did you know?

A desert is defined by receiving less than a certain amount of precipitation annually. Interestingly, one-third of Earth's land is classified as desert, highlighting the vastness of these arid regions.

What is the primary criterion for classifying an area as a desert?

• High temperature

• Low annual precipitation

• Lack of vegetation

• Sandy terrain

Which of the following is NOT a characteristic of a desert?

• High humidity

• Low rainfall

• Extreme temperatures

• Sparse vegetation

Deserts are primarily defined by their:

• Temperature

• Rainfall

• Soil type

• Location

Approximately what fraction of Earth's land is considered desert?

• 2/3

• 1/2

• 1/3

• 1/4

What is a surprising fact about Earth's land?

• None of it is desert

• One-third of it is desert

• Half of it is desert

• All of it is desert